The Evidence Pyramid

The traditional evidence pyramid remains a useful heuristic device for evaluating scientific evidence in medicine and health care. The highest quality evidence in the top two levels of the pyramid is the most difficult to process. The lowest quality of evidence at the bottom two levels of the pyramid is the easiest to process. This

The Rise and Fall of the Wessely School

New preprint available here ABSTRACT The Wessely School’s (WS) approach to medically unexplained symptoms, myalgic encephalomyelitis and chronic fatigue syndrome (MUS/MECFS) is critically reviewed using scientific criteria. Based on the ‘Biopsychosocial Model’, the WS proposes that patients’ dysfunctional beliefs, deconditioning and attentional biases cause illness, disrupt therapies, and lead to preventable deaths. The evidence reviewed